患者,男,18岁,无意间发现左耳垂前有一蚕豆大肿物,轻压痛。肿物逐渐长大,近2周增大明显。近来感觉乏力,偶有盗汗。遂来我院就诊。检查见:左耳垂前有4cm×4cm×4cm大小肿物,呈类圆形,质地中等,边界尚清楚,与周围组织有粘连,活动度差,无明显压痛。左侧颌下区下颌下方可触及两个0. The patient, male, 18 years old, inadvertently found a large mass of broad bean in front of the left earlobe, with mild tenderness. The tumor grew up, increased significantly in the past 2 weeks. Recently feel weak, and occasionally night sweats. Then come to our hospital. Check, see: left ear lobe before 4cm × 4cm × 4cm size of the tumor, was round, medium texture, the border is still clear, with the surrounding tissue adhesions, activity was poor, no significant tenderness. The left submandibular area below the mandibular reach two 0.